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Urgent! Full Stack AI Engineer Job Opening In Johannesburg – Now Hiring DEVELOPMENTHUB (Pty) Ltd

Full Stack AI Engineer



Job description

Overview

We are seeking a highly skilled and forward-thinking Senior Full Stack AI Engineer to join our dynamic team.

This role combines robust backend architecture with seamless user interfaces and the transformative potential of AI.

You will weave the power of Large Language Models (LLMs), agentic AI, and other intelligent systems into the core of our bespoke software solutions, creating unparalleled value for our clients.

You will work across a diverse project portfolio, architecting and deploying AI-powered features that redefine what’s possible in enterprise software and web applications, all hosted on a resilient AWS infrastructure.

Responsibilities

  • Design, develop, and deploy end-to-end full-stack applications, ensuring exceptional performance and scalability.

  • Lead the integration of generative AI, LLMs, and Retrieval-Augmented Generation (RAG) functionalities into new and existing client projects.

  • Pioneer the development of agentic AI workflows to automate complex business processes and create sophisticated, interactive user experiences.

  • Champion and utilize AI-assisted development tools (e.g., GitHub Copilot, Cursor, v0.dev) to dramatically boost productivity and innovation within our development lifecycle.

  • Build, manage, and optimize secure and cost-effective cloud infrastructure on AWS, using services like Lambda, ECS, S3, DynamoDB, and Aurora.

  • Implement and maintain robust CI/CD pipelines (e.g., using AWS CodePipeline, Jenkins) for automated, reliable deployments.

  • Collaborate directly with clients and internal teams to conceptualize, prototype, and launch groundbreaking AI-driven features.

  • Act as our internal subject matter expert on AI and AWS, mentoring team members, and continuously researching emerging technologies to keep Developmenthub at the forefront.

Qualifications

  • A Bachelor’s degree in Computer Science, Engineering, Information Technology, or equivalent real-world experience.

  • An active AWS Certification is a mandatory requirement for this role.

  • 4+ years of professional experience in a full-stack development role, with a proven track record of delivering complex applications.

  • Expertise in modern stacks and frameworks, including but not limited to:
    • React Native (Expo) and modern mobile development
    • .NET Core with C#
    • Spring Boot with Java
    • Flask with Python
  • Demonstrable, hands-on experience building with and integrating AI/ML technologies:
    • Deep familiarity with LLM APIs from providers like OpenAI, Anthropic, or Google.

    • Practical knowledge of vector databases (e.g., PGVector, Pinecone, Weaviate, ChromaDB) and the principles of semantic search.

    • Experience with AI orchestrator frameworks such as LangChain or LlamaIndex is highly advantageous.

  • Strong, practical experience with the AWS ecosystem and Infrastructure as Code tools (Terraform, AWS CDK).

Preferred

  • Visionary Builder: You see the immense potential of AI not just as a technology, but as a tool to solve tangible business challenges.

  • A Polyglot Programmer: You are comfortable working across the entire tech stack and enjoy learning new tools and languages.

  • An Agentic Architect: The concept of building autonomous AI agents to handle complex tasks excites you, and you have ideas on how to build them.

  • Client-Focused: You can communicate complex technical ideas clearly to non-technical stakeholders and are driven to deliver client success.

  • A Lifelong Learner: You are intrinsically motivated to stay on the bleeding edge of tech, constantly experimenting with new AI models, frameworks, and tools.

Benefits

  • Build What Matters: Work on a diverse range of high-impact projects for Africa’s most innovative companies.

  • Lead the Charge: This is a key role where you will have the autonomy to shape our AI strategy and see your vision come to life.

  • Culture of Excellence: Join a talented, close-knit team that values quality, collaboration, and continuous improvement.

  • Professional Growth: We invest in our team’s development, providing opportunities to learn, certify, and grow into a leadership position.

  • Competitive Package: We offer a competitive salary and benefits.

Details

  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Job function: Engineering and Information Technology
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